Home / 2,821,022.24-3,893,018.56-1,531,884.15

Finding the Fourth Proportional to 2,821,022.24, 3,893,018.56 and 1,531,884.15

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Solution

The fourth proportional to 2,821,022.24, 3,893,018.56 and 1,531,884.15 is: 2,114,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,022.24 : 3,893,018.56 = 1,531,884.15 : x
  2. Step 2: Convert to fraction form
    2,821,022.24/3,893,018.56 = 1,531,884.15/x
  3. Step 3: Cross multiply
    2,821,022.24x = 3,893,018.56 × 1,531,884.15
  4. Step 4: Simplify right side
    2,821,022.24x = 5,963,653,423,890.11
  5. Step 5: Solve for x
    x = 5,963,653,423,890.11/2,821,022.24
  6. Step 6: Final answer
    x = 2,114,004.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.